To assign a new Task from the Resources tab,

  • Click the + New Assignment but that is on the left-hand side of the Resources screen
  • You see a Salesforce Task Assignment pop up,
  • Enter the details as
  • Description,
  • Status,
  • Select Project,
  • Select user for assignment from user assigned field,
  • Task Assigned,
  • Assigned Start and Assigned End Date,
  • Assigned by
  • Hours Assigned in the "System Calculations" section
  • Save it.

Now a new Task assignment is created and assigned to the user that you selected in the user-assigned field.